Par04/src/Par04LwtnnInference.cc

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0025 //
0026 /// \file Par04LwtnnInference.cc
0027 /// \brief Implementation of the Par04LwtnnInference class
0028
0029 #ifdef USE_INFERENCE_LWTNN
0030 #  include "Par04LwtnnInference.hh"
0031
0032 #  include "Par04InferenceInterface.hh"  // for Par04InferenceInterface
0033
0034 #  include <fstream>  // for ifstream
0035
0036 #  include <lwtnn/parse_json.hh>  // for parse_json_graph
0037
0038 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0039
0040 Par04LwtnnInference::Par04LwtnnInference(G4String modelPath) : Par04InferenceInterface()
0041 {
0042   // file to read
0043   std::ifstream input(modelPath);
0044   // build the graph
0045   fGraph = std::make_unique<lwt::LightweightGraph>(lwt::parse_json_graph(input));
0046   input.close();
0047 }
0048
0049 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0050
0051 void Par04LwtnnInference::RunInference(std::vector<float> aGenVector,
0052                                        std::vector<G4double>& aEnergies, int aSize)
0053 {
0054   // generation vector
0055   fNetworkInputs inputs;
0056   for (std::size_t i = 0; i < aGenVector.size(); ++i) {
0057     inputs["node_0"]["variable_" + std::to_string(i)] = aGenVector[i];
0058   }
0059
0060   // run the inference
0061   fNetworkOutputs outputs = fGraph->compute(inputs);
0062   aEnergies.assign(aSize, 0);
0063   for (int i = 0; i < aSize; i++)
0064     aEnergies[i] = outputs["out_" + std::to_string(i)];
0065 }
0066
0067 #endif